Class: SimpleStatistics::Data::Sample

Inherits:
Object
  • Object
show all
Defined in:
lib/simple_statistics/data.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ Sample

Returns a new instance of Sample.



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# File 'lib/simple_statistics/data.rb', line 6

def initialize(data)
  @data = data
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/simple_statistics/data.rb', line 4

def data
  @data
end

Instance Method Details

#count ⇒ Object 



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# File 'lib/simple_statistics/data.rb', line 26

def count
  @data.compact.size
end

#full? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/simple_statistics/data.rb', line 10

def full?
  not @data.any? { |s| s.nil? }
end

#max ⇒ Object 



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# File 'lib/simple_statistics/data.rb', line 18

def max
  @data.max
end

#mean ⇒ Object 



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# File 'lib/simple_statistics/data.rb', line 14

def mean
  sum.to_f/count
end

#min ⇒ Object 



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# File 'lib/simple_statistics/data.rb', line 22

def min
  @data.min
end

#sum ⇒ Object 



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# File 'lib/simple_statistics/data.rb', line 30

def sum
  @data.compact.inject(0) { |r,v| r=r+v }
end